Difference between revisions of "Muhlenbergia ramulosa"
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|synonyms={{Treatment/ID/Synonym | |synonyms={{Treatment/ID/Synonym | ||
|name=Muhlenbergia wolfii | |name=Muhlenbergia wolfii | ||
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|hierarchy=Poaceae;Poaceae subfam. Chloridoideae;Poaceae tribe Cynodonteae;Muhlenbergia;Muhlenbergia ramulosa | |hierarchy=Poaceae;Poaceae subfam. Chloridoideae;Poaceae tribe Cynodonteae;Muhlenbergia;Muhlenbergia ramulosa | ||
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name=Muhlenbergia ramulosa | name=Muhlenbergia ramulosa | ||
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|authority=(Kunth) Swallen | |authority=(Kunth) Swallen | ||
|rank=species | |rank=species | ||
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|basionyms= | |basionyms= | ||
|family=Poaceae | |family=Poaceae | ||
| + | |illustrator=Linda A. Vorobik;Annaliese Miller | ||
| + | |illustration copyright=Utah State University | ||
|distribution=Ariz.;N.Mex.;Colo. | |distribution=Ariz.;N.Mex.;Colo. | ||
|reference=None | |reference=None | ||
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|subfamily=Poaceae subfam. Chloridoideae | |subfamily=Poaceae subfam. Chloridoideae | ||
|tribe=Poaceae tribe Cynodonteae | |tribe=Poaceae tribe Cynodonteae | ||
Latest revision as of 18:58, 11 May 2021
Plants annual. Culms (3)5-25 cm, erect, branching, but not rooting, basally; internodes glabrous, mostly smooth, some¬times scabridulous below the nodes. Sheaths usually shorter than the internodes, glabrous, smooth or scabridulous; ligules 0.2-0.5 mm, hyaline, truncate, ciliate, without lateral lobes; blades 0.5-3 cm long, 0.8-1.2 mm wide, involute or flat, glabrous abaxially, puberulent adaxially. Panicles (1)2-9 cm long, 0.6-2.7 cm wide, open, ovoid or deltoid, spikelets sparse; primary branches (0.5)1-3.2 cm long, about 0.1 mm thick, ascending, spreading 20-100° from the rachises; pedicels 1-3 mm long, 0.5-1.5 mm thick, stiff. Spikelets 0.8-1.3 mm, appressed or divaricate. Glumes equal, 0.4-0.7 mm, glabrous, 1-veined, obtuse or subacute, unawned; lemmas 0.8-1.3 mm, oval, plump, mottled with greenish-black and greenish-white or ochroleucous patches, glabrous or shortly appressed-pubescent on the margins and midveins, apices acute, unawned; paleas 0.7-1.3 mm, oval; anthers 0.2-0.3 mm, purplish. Caryopses 0.5-1 mm, elliptic, brownish. 2n = 20.
Distribution
Ariz., N.Mex., Colo.
Discussion
Muhlenbergia ramulosa grows in open, well-drained areas including slopes, sandy meadows, washes, gravelly road cuts, and rock outcrops in yellow pine-oak forests and in open meadows of pine-fir forests, at elevations of 2100-3500 m. Its range includes the southwestern United States, Mexico, Guatemala, Costa Rica, and Argentina.
Selected References
None.